/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "pwm_led.h"


/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

// 位带操作相关宏定义
// 计算位带别名地址
#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr & 0xFFFFF)<<5)+(bitnum<<2))
// 将地址强制转换为指向volatile无符号长整型的指针并取值
#define MEM_ADDR(addr)  *(volatile unsigned long  *)(addr)
// 结合前两个宏，获取位带别名地址对应的值
#define BIT_ADDR(addr, bitnum)  MEM_ADDR(BITBAND(addr, bitnum))

// IO口地址映射 - 输出数据寄存器地址
#define GPIOA_ODR_Addr  (GPIOA_BASE+12) //0x4001080C
#define GPIOB_ODR_Addr  (GPIOB_BASE+12) //0x40010C0C
#define GPIOC_ODR_Addr  (GPIOC_BASE+12) //0x4001100C
#define GPIOD_ODR_Addr  (GPIOD_BASE+12) //0x4001140C
#define GPIOE_ODR_Addr  (GPIOE_BASE+12) //0x4001180C
#define GPIOF_ODR_Addr  (GPIOF_BASE+12) //0x40011A0C
#define GPIOG_ODR_Addr  (GPIOG_BASE+12) //0x40011E0C

// IO口地址映射 - 输入数据寄存器地址
#define GPIOA_IDR_Addr  (GPIOA_BASE+8)  //0x40010808

// 基于位带操作的GPIO读写宏定义
#define PAout(n)  BIT_ADDR(GPIOA_ODR_Addr,n)  // 输出
#define PAin(n)   BIT_ADDR(GPIOA_IDR_Addr,n)  // 输入
#define PBout(n)  BIT_ADDR(GPIOB_ODR_Addr,n)  // 输出
#define PBin(n)   BIT_ADDR(GPIOB_IDR_Addr,n)  // 输入
#define PCout(n)  BIT_ADDR(GPIOC_ODR_Addr,n)  // 输出
#define PCin(n)   BIT_ADDR(GPIOC_IDR_Addr,n)  // 输入
#define PDout(n)  BIT_ADDR(GPIOD_ODR_Addr,n)  // 输出
#define PDin(n)   BIT_ADDR(GPIOD_IDR_Addr,n)  // 输入


#define TXSimu_0 PAout(9) = 0
#define TXSimu_1 PAout(9) = 1

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */








/* USER CODE END 0 */

void delay_us(int delay_count);

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

    pwm_init();

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  int delay_count = 100;
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

//      HAL_GPIO_WritePin(GPIOA,GPIO_PIN_9,RESET);

//      HAL_GPIO_WritePin(TX_GPIO_Port,TX_Pin,RESET);
//      delay_us(delay_count);
//
//      HAL_GPIO_WritePin(TX_GPIO_Port,TX_Pin,SET);
//
//      delay_us(delay_count);
//
//      PAout(9) = 0;
//      PAout(9) = 1;
        TXSimu_0;
        TXSimu_1;



      breathing_led();



      /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

void delay_us(int delay_count) {
    for (int i = 0; i < delay_count; ++i) {

    }
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  /* USER CODE BEGIN MX_GPIO_Init_1 */

  /* USER CODE END MX_GPIO_Init_1 */

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOA_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(TX_GPIO_Port, TX_Pin, GPIO_PIN_SET);

  /*Configure GPIO pin : TX_Pin */
  GPIO_InitStruct.Pin = TX_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  HAL_GPIO_Init(TX_GPIO_Port, &GPIO_InitStruct);

  /* USER CODE BEGIN MX_GPIO_Init_2 */

  /* USER CODE END MX_GPIO_Init_2 */
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
